HV Switchgear
A box-type fixed AC metal-enclosed switchgear (ring main unit) with rated voltage 12 kV. Using a combined apparatus of circuit breaker (or load switch) and fuses, it features compact structure and small size with reliable "five-prevention" interlocking function, and can realize ring-main power supply and terminal distribution. Suitable for urban power grids, residential communities, switching stations and box substations, it is a common miniaturized, oil-free and maintenance-free equipment for distribution networks. Standards: GB/T 3906, GB/T 11022, etc.
